Compression sock



FIG. 1 is a left side view of the compression sock.

FIG. 2 is a right side view of the claimed design.

FIG. 3 is a back view of the claimed design.

FIG. 4 is a front view of the claimed design.

FIG. 5 is a top view of the claimed design; and,

FIG. 6 is a bottom view of the claimed design. 

CLAIM I claim the ornamental design for a compression sock, as shown and described. 